Three pulleys are joined by belts as shown. Pulley B is a single pulley with two groves for the belts. Specs for the pulleys are A: mass = 400 g, diameter = 10 cm B: m = 1500 g, d = 20 cm C: m = 800g d = 15 cm. The system is initially at rest. A moment of 12.5 Nm is applied to pulley A causing it to rotate through 68 radian. What are the final angular velocities of the three pulleys? Assume all pulleys are cylinders.